Also known as: LR+, LR-, LR...
LR has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of LR in Scientific & Educational.
A position below an- other thing lower jaw
Scientific & EducationalSymbol:"Lr" Atomic Number:"103" Atomic Mass: (260)amu. Lawrencium is one of the elements in the actinide series of inner transition elements. It may also be classified as a rare earth element. It is a radioactive and unstable element and you will not find it in use anywhere.
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